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EP3248680A4 - Catalyst for purifying exhaust gas - Google Patents

Catalyst for purifying exhaust gas Download PDF

Info

Publication number
EP3248680A4
EP3248680A4 EP16740000.1A EP16740000A EP3248680A4 EP 3248680 A4 EP3248680 A4 EP 3248680A4 EP 16740000 A EP16740000 A EP 16740000A EP 3248680 A4 EP3248680 A4 EP 3248680A4
Authority
EP
European Patent Office
Prior art keywords
catalyst
exhaust gas
purifying exhaust
purifying
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16740000.1A
Other languages
German (de)
French (fr)
Other versions
EP3248680A1 (en
EP3248680B1 (en
Inventor
Ryota Onoe
Tsuyoshi Ito
Yuki TAKESUE
Masatoshi IKEBE
Chihiro KASUYA
Yuta MORISHITA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cataler Corp
Original Assignee
Cataler Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cataler Corp filed Critical Cataler Corp
Publication of EP3248680A1 publication Critical patent/EP3248680A1/en
Publication of EP3248680A4 publication Critical patent/EP3248680A4/en
Application granted granted Critical
Publication of EP3248680B1 publication Critical patent/EP3248680B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/63—Platinum group metals with rare earths or actinides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/19—Catalysts containing parts with different compositions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/31—Density
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/101—Three-way catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1023—Palladium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/10—Noble metals or compounds thereof
    • B01D2255/102—Platinum group metals
    • B01D2255/1025—Rhodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/40—Mixed oxides
    • B01D2255/407—Zr-Ce mixed oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/903—Multi-zoned catalysts
    • B01D2255/9032—Two zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/905—Catalysts having a gradually changing coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/908—O2-storage component incorporated in the catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/90—Physical characteristics of catalysts
    • B01D2255/92—Dimensions
    • B01D2255/9202—Linear dimensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/01—Engine exhaust gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2330/00—Structure of catalyst support or particle filter
    • F01N2330/60—Discontinuous, uneven properties of filter material, e.g. different material thickness along the longitudinal direction; Higher filter capacity upstream than downstream in same housing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Toxicology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Exhaust Gas After Treatment (AREA)
EP16740000.1A 2015-01-22 2016-01-08 Exhaust system Active EP3248680B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015010702A JP6545962B2 (en) 2015-01-22 2015-01-22 Exhaust gas purification catalyst
PCT/JP2016/050513 WO2016117393A1 (en) 2015-01-22 2016-01-08 Catalyst for purifying exhaust gas

Publications (3)

Publication Number Publication Date
EP3248680A1 EP3248680A1 (en) 2017-11-29
EP3248680A4 true EP3248680A4 (en) 2018-01-17
EP3248680B1 EP3248680B1 (en) 2020-10-07

Family

ID=56416941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16740000.1A Active EP3248680B1 (en) 2015-01-22 2016-01-08 Exhaust system

Country Status (5)

Country Link
US (1) US10369520B2 (en)
EP (1) EP3248680B1 (en)
JP (1) JP6545962B2 (en)
CN (1) CN107206371B (en)
WO (1) WO2016117393A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019058876A (en) 2017-09-27 2019-04-18 イビデン株式会社 Honeycomb catalyst
JP6684257B2 (en) 2017-09-27 2020-04-22 イビデン株式会社 Honeycomb catalyst for exhaust gas purification
JP2019058875A (en) 2017-09-27 2019-04-18 イビデン株式会社 Honeycomb catalyst
JP6698602B2 (en) 2017-09-27 2020-05-27 イビデン株式会社 Honeycomb catalyst for exhaust gas purification
JP7211893B2 (en) 2019-05-24 2023-01-24 トヨタ自動車株式会社 Exhaust gas purifier
US10926245B1 (en) * 2019-08-21 2021-02-23 GM Global Technology Operations LLC Platinum-containing catalyst systems
JP7381372B2 (en) * 2020-03-12 2023-11-15 トヨタ自動車株式会社 Exhaust gas purification device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008088649A1 (en) * 2007-01-17 2008-07-24 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
EP1949959A1 (en) * 2005-11-07 2008-07-30 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification apparatus
US20110200505A1 (en) * 2010-02-16 2011-08-18 Ford Global Technologies, Llc Catalyst Assembly for Treating Engine Exhaust
WO2012079598A1 (en) * 2010-12-14 2012-06-21 Umicore Ag & Co. Kg Architectural diesel oxidation catalyst for enhanced no2 generator
US20120213674A1 (en) * 2009-11-12 2012-08-23 Umicore Ag & Co. Kg diesel oxidation catalyst
US20140041366A1 (en) * 2011-06-07 2014-02-13 Umicore Ag & Co. Kg Catalytic converter for the selective catalytic reduction of nitrogen oxides in the exhaust gas of diesel engines

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5154085A (en) * 1974-11-08 1976-05-12 Asahi Glass Co Ltd Shokubaino tanjihoho
JP4642955B2 (en) * 1999-06-23 2011-03-02 イビデン株式会社 Catalyst support and method for producing the same
US8119075B2 (en) * 2005-11-10 2012-02-21 Basf Corporation Diesel particulate filters having ultra-thin catalyzed oxidation coatings
JP5094049B2 (en) * 2006-06-14 2012-12-12 株式会社キャタラー Exhaust gas purification catalyst
JP4935219B2 (en) * 2006-07-20 2012-05-23 トヨタ自動車株式会社 Exhaust gas purification catalyst
US20080125313A1 (en) * 2006-11-27 2008-05-29 Fujdala Kyle L Engine Exhaust Catalysts Containing Palladium-Gold
US7534738B2 (en) * 2006-11-27 2009-05-19 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
WO2008099450A1 (en) * 2007-02-09 2008-08-21 Ibiden Co., Ltd. Honeycomb structure and exhaust gas treating apparatus
JP2008302355A (en) 2007-05-07 2008-12-18 Ibiden Co Ltd Honeycomb filter
JP2009285605A (en) * 2008-05-30 2009-12-10 Toyota Motor Corp Catalyst for cleaning exhaust gas
JP5114317B2 (en) * 2008-06-30 2013-01-09 トヨタ自動車株式会社 Exhaust gas purification catalyst
WO2012132004A1 (en) * 2011-03-31 2012-10-04 イビデン株式会社 Honeycomb structure and exhaust gas cleaner
CN103477045B (en) * 2011-04-15 2016-09-07 丰田自动车株式会社 The emission-control equipment of internal combustion engine
JP5892910B2 (en) * 2012-01-27 2016-03-23 株式会社デンソー Honeycomb structure
JP5799938B2 (en) 2012-11-20 2015-10-28 トヨタ自動車株式会社 Exhaust gas purification catalyst
US9757675B2 (en) * 2013-01-29 2017-09-12 Corning Incorporated Partial wall-flow filter and method
JP6635819B2 (en) * 2016-02-16 2020-01-29 日本碍子株式会社 Honeycomb structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1949959A1 (en) * 2005-11-07 2008-07-30 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification apparatus
WO2008088649A1 (en) * 2007-01-17 2008-07-24 Nanostellar, Inc. Engine exhaust catalysts containing palladium-gold
US20120213674A1 (en) * 2009-11-12 2012-08-23 Umicore Ag & Co. Kg diesel oxidation catalyst
US20110200505A1 (en) * 2010-02-16 2011-08-18 Ford Global Technologies, Llc Catalyst Assembly for Treating Engine Exhaust
WO2012079598A1 (en) * 2010-12-14 2012-06-21 Umicore Ag & Co. Kg Architectural diesel oxidation catalyst for enhanced no2 generator
US20140041366A1 (en) * 2011-06-07 2014-02-13 Umicore Ag & Co. Kg Catalytic converter for the selective catalytic reduction of nitrogen oxides in the exhaust gas of diesel engines

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016117393A1 *

Also Published As

Publication number Publication date
JP2016131968A (en) 2016-07-25
WO2016117393A1 (en) 2016-07-28
EP3248680A1 (en) 2017-11-29
US10369520B2 (en) 2019-08-06
CN107206371A (en) 2017-09-26
JP6545962B2 (en) 2019-07-17
US20180015411A1 (en) 2018-01-18
EP3248680B1 (en) 2020-10-07
CN107206371B (en) 2020-11-03

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